Avilamycin B

Chemical Name: (2R,3S,4R,6S)-6-(((3a'R,4S,4'R,5S,6R,6'S,7a'R)-6'-(((2S,3R,4R,5S,6R)-2-(((2R,3S,4S,5S,6S)-6-(((2R,3aS,3a'R,6S,6'R,7R,7aR,7'S,7a'R)-7-acetoxy-7'-acetyl-7'-hydroxy-6'-methyloctahydro-4H-2,4'-spirobi[[1,3]dioxolo[4,5-c]pyran]-6-yl)oxy)-4-hydroxy-5-methoxy-2-(methoxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-3-hydroxy-5-methoxy-6-methyltetrahydro-2H-pyran-4-yl)oxy)-4-hydroxy-4',6,7a'-trimethyloctahydro-4'H-spiro[pyran-2,2'-[1,3]dioxolo[4,5-c]pyran]-5-yl)oxy)-4-hydroxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-4-hydroxy-2-methoxy-6-methylbenzoate